This article is provided by Xiawe_i.Xiawe_i's blog address is:Http://www.jianshu.com/u/fa9f03a240c6The project has such a requirement:
Verification code page is four boxes, enter the Verification code box color change, delete and change back to the original color.
First look at the effect, the motion diagram is not very clear, will see itIdeas:
Overlap with four textview with a transparent edittext and set the default background for TextView
Listen for edittext text ch
First look at the effect chart:
Layout file:Activity_main.xml
Java code:
Above is the Android SMS transmitter implementation code, I hope to give you a reference, but also hope that we support the cloud habitat community.
One, add an SMTP serverModify the following file on the server that needs to send the automatic alarm, add the following two lines# Vim/etc/mail.rcset [email protected] Smtp=smtp.126.comset Smtp-auth-user=doteyplay smtp-auth-password=*** Smtp-auth =login Of course, the SMTP server here can also use other, such as QQ, but QQ can only send a few gua, in the test, total error: smtp-server:454 error:authentication failed, System busy, What a wicked TX! So, then changed to 126 of the SMTP server, and
Android app source code is based on android's campus second-hand Transaction System Client + SERVER + database, Android android
The source code is a campus second-hand transaction system application with a server, and is also a campus second-hand Transaction System Based on
Android Database Upgrade instance and android database instance
Part 1The SQLiteOpenHelper class of Andoird has an onUpgrade method. This method is triggered when the database is upgraded. After practice, I solved a series of questions:
1. What does "
Android database encryption and android Database Encryption
1 Introduction
SQLite is a lightweight, cross-platform, open-source database engine. It has advantages in terms of read/write efficiency, total resource consumption, latency, and overall simplicity, make it the best
Android database creation and upgrade (medium), android Database
In the previous article, I briefly introduced some basic concepts of the android database. From this section, I will create and upgrade the
Android database version upgrade, android database version
After the android Application is released, it performs version iteration. The Database Upgrade may be involved due to the change of requirements and the expansion of funct
Often used Android database base class, Android database base class
// Create a database public class DBCreate {public static void CreateDatabase (SQLiteDatabase db) {db. beginTransaction (); try {create_NetTaskBuffer (db); insert_ SQL (db); db. setTransactionSuccessful ();}
The use of Android in the development process of the database, not only better security, but also the effect of data access is better.Attached source codehttp://download.csdn.net/detail/wyx100/8670843Development planning Main InterfaceComplete input of data, trigger savePost-boot interfaceInput dataData Display InterfaceThe database is displayed after reading the
How to create a third-party database for Android software development and how to read a database from a file
Original by Yu Song MomoArticleIf you reprint it, please note: Reprinted to my independent domain name blogYusong Momo program Research Institute, Original address: http://www.xuanyusong.com/archives/199
I haven't updated my blog on the
Android development database Cursor error android. database. cursorrentwallocationexception
Android is often used for android development. database. cursorWindowAllocationException is a
Android black technology, reading user text messages + modifying System text message database,
Compared to the ios system, Android is the biggest drawback. As we all know, it is a system security problem. This blog shows a wave of "black technology ".
Read user text messages
Android apps can read text messages from
The project encountered the need to read and display system text messages. Some information was collected online and tested briefly.
The system SMS database table includes the SMS table and thread table. All information is in the SMS table. Thread is a session table.
Two pictures of others are stolen:
Android technology-database (III): SQLite database application instance, androidsqlite
For the source code of this article, see: https://github.com/YongYuIT/MeiNvLiuLanQi
The example in this article is based on the project added in "Android system review (8): Network Communication (1.
The effect is: In PostActivity, w
Android learning notes -- Sqlite database, android -- sqlite
I learned about data storage in Android a few days ago, including file storage, SharedPreferences storage, and the feature of Acndroid: SQLite database storage. I was surprised that a lightweight SQLite
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